/**
 * Created by Administrator on 2016/2/29.
 */
exports.createyzm = function () {
    code = "";
    var codeLength = 6;//验证码的长度
    //var selectChar = new Array(0,1,2,3,4,5,6,7,8,9,'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z');//所有候选组成验证码的字符，当然也可以用中文的
    var selectChar = new Array(0, 1, 2, 3, 4, 5, 6, 7, 8, 9);
    for (var i = 0; i < codeLength; i++) {
        var charIndex = Math.floor(Math.random() * 10);
        code += selectChar[charIndex];
    }
    return code;
};